{"id":44028,"date":"2019-10-14T13:10:29","date_gmt":"2019-10-14T12:10:29","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/quest-ce-que-lequation-de-poisson-transfert-de-chaleur-a-letat-dequilibre-definition\/"},"modified":"2020-02-17T17:02:35","modified_gmt":"2020-02-17T16:02:35","slug":"quest-ce-que-lequation-de-poisson-transfert-de-chaleur-a-letat-dequilibre-definition","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-lequation-de-poisson-transfert-de-chaleur-a-letat-dequilibre-definition\/","title":{"rendered":"Qu\u2019est-ce que l\u2019\u00e9quation de Poisson – Transfert de chaleur \u00e0 l\u2019\u00e9tat d\u2019\u00e9quilibre – D\u00e9finition"},"content":{"rendered":"
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\u00c9quation de Poisson – Transfert de chaleur \u00e0 l’\u00e9tat d’\u00e9quilibre.\u00a0En r\u00e9gime permanent, il ne peut y avoir aucune modification de la quantit\u00e9 de stockage d’\u00e9nergie (T \/ t = 0).\u00a0G\u00e9nie thermique<\/div>\n<\/div>\n
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Conductivit\u00e9 thermique constante et transfert de chaleur \u00e0 l’\u00e9tat d’\u00e9quilibre – \u00c9quation de Poisson<\/h2>\n

\u00c9quation de Poisson – Transfert de chaleur \u00e0 l’\u00e9tat d’\u00e9quilibre<\/strong><\/p>\n

Des simplifications suppl\u00e9mentaires de la forme g\u00e9n\u00e9rale de l’\u00e9quation de la chaleur sont souvent possibles.\u00a0Par exemple, dans des conditions stables, il ne peut y avoir aucune modification de la quantit\u00e9 de stockage d’\u00e9nergie (T \/ t = 0).<\/p>\n

\"\u00e9quation<\/a><\/p>\n

\u00c9quation de chaleur unidimensionnelle<\/strong><\/p>\n

Une des hypoth\u00e8ses les plus puissantes est que le cas particulier du transfert de chaleur unidimensionnel dans la direction x.\u00a0Dans ce cas, les d\u00e9riv\u00e9es par rapport \u00e0 y et z disparaissent et les \u00e9quations ci-dessus r\u00e9duisent \u00e0 (coordonn\u00e9es cart\u00e9siennes):<\/p>\n

\"\u00e9quation<\/a><\/p>\n<\/div>\n<\/div>\n

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\u00c9quation de Poisson – Transfert de chaleur \u00e0 l’\u00e9tat d’\u00e9quilibre.\u00a0En r\u00e9gime permanent, il ne peut y avoir aucune modification de la quantit\u00e9 de stockage d’\u00e9nergie (T \/ t = 0).\u00a0G\u00e9nie thermique Conductivit\u00e9 thermique constante et transfert de chaleur \u00e0 l’\u00e9tat d’\u00e9quilibre – \u00c9quation de Poisson \u00c9quation de Poisson – Transfert de chaleur \u00e0 l’\u00e9tat d’\u00e9quilibre … Lire la suite<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[8],"tags":[],"yoast_head":"\nQu\u2019est-ce que l\u2019\u00e9quation de Poisson - Transfert de chaleur \u00e0 l\u2019\u00e9tat d\u2019\u00e9quilibre - D\u00e9finition<\/title>\n<meta name=\"description\" content=\"Equation de Poisson - Transfert de chaleur \u00e0 l\u2019\u00e9tat d\u2019\u00e9quilibre. 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